--- a/hgext/convert/subversion.py	Sat May 09 17:12:39 2009 +0200
+++ b/hgext/convert/subversion.py	Sat May 09 17:32:57 2009 +0200
@@ -987,7 +987,7 @@
         arg = encodeargs(args)
         hgexe = util.hgexecutable()
         cmd = '%s debugsvnlog' % util.shellquote(hgexe)
-        stdin, stdout = util.popen2(cmd, 'b')
+        stdin, stdout = util.popen2(cmd)
         stdin.write(arg)
         stdin.close()
         return logstream(stdout)